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Transcription and Regulation

Transcription and Regulation
Transcription factors are

promoters
CATT boxes
proteins which bind to DNA and regulate transcription
TATA boxes

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Transcription and Regulation
In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as

Shine Dalgarno region
CATT
TATA box
SV40 region

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Transcription and Regulation
Promoters for tRNAs are located

both (a) and (b)
none of these
upstream from the start codon
downstream from the start codon

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Transcription and Regulation
Enhancers are regions that

bind RNA polymerase
are CAT box binding proteins
modulate transcription
are adjacent to the TATA box

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Transcription and Regulation
The binding of lac repressor to DNA could be considered to be analogous to

allosteric effects in enzyme regulation
mixed-type inhibition of an enzyme
uncompetitive inhibition of an enzyme
competitive inhibition of an enzyme

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Transcription and Regulation
Which of the following is necessary for transcription to occur?

RNA polymerase
DNA molecule
Both DNA & RNA polymerase
DNA polymerase

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